The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Sol 45 DSLR and the Sony DT 50mm F1.8 SAM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sony DT 50mm F1.8 SAM is the longer of the two lenses at 45mm. The Lensbaby Sol 45 DSLR with a length of 39mm, is 6mm shorter. On the other hand, the Lensbaby Sol 45 DSLR has a larger diameter of 73mm compared to the Sony DT 50mm F1.8 SAM's 70mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Lensbaby Sol 45 DSLR weighs 144g, which means it is 26g (15%) lighter than the Sony DT 50mm F1.8 SAM which has a weight of 170g.
Both the Lensbaby Sol 45 DSLR and the Sony DT 50mm F1.8 SAM has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Lensbaby Sol 45 DSLR is also available in Canon EF , Fujifilm X, Nikon F (FX) and Pentax KAF mounts.
Lensbaby Sol 45 DSLR is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 67.5mm
On the other hand, the Sony DT 50mm F1.8 SAM is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.